Name: CJ Series Metal Sealed Bearing Bit
SKU: 13995
Availability: InStock

Main structure features:

Metalface seal journal bearing.New processes of head bearing hardfacingand conebearingsiver plating are usedto improve the load capacity,anti-galingability andstabity of the bearing.Various shapes of inserts canbe equipped on this series of bits,including scoop inserts, wedge inserts,conical-spherical inserts and double sphericalinserts,etc.Driling process&formation andbit are eficient integrated by scientific insert shape selection to realizesafety and high efficient dilling.

(Bit Size)		(Bit Type)
in	(mm)	(Bit Type)
51/2	139.7	CJ417、	CJ437、CJ517、	CJ537、	CJ617、CJ637、CJ737
61/	152.4	CJ417、	CJ437、CJ517、	CJ537、	CJ617、CJ637、CJ737
77/8	200.0	CJ437、	CJ447、CJ517、	CJ537
81/2	215.9	CJ417、	CJ437、CJ447、	CJ517、	CJ527、CJ537、CJ547
83/4	222.3	CJ437、	CJ447、CJ517、	CJ527
91/2	241.3	CJ437、	CJ447、CJ517、	CJ537、	CJ547
97/8	250.8	CJ437、	CJ517 C
101/2	266.7	CJ517、	CJ537、CJ547
105/8	269.9	CJ517、	CJ537、CJ547

115/8	295.3	CJ417、CJ437、CJ517、CJ537、CJ617、CJ637
12	304.8	CJ517、CJ537、CJ547
121/4	311.2	CJ417、CJ437、CJ447、CJ517、CJ537
131/2	342.9	CJ517、CJ537、CJ547
143/4	374.7	CJ517、CJ537、CJ547
151/2	393.7	CJ417、CJ437、CJ517、CJ537、CJ617、CJ637
16	406.4	CJ417、CJ437、CJ517、CJ537、CJ617、CJ637
171/2	444.5	CJ517、CJ517、CJ527
20	508	CJ417、CJ437、CJ517、CJ537、CJ617、CJ637